National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Witham Field Airport (KSUA)

Lat: 27.18°NLon: 80.23°WElev: 13ft.

Overcast

81°F

27°C

Humidity 94%
Wind Speed SW 12 mph
Barometer 29.97 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 3 Sep 12:35 am EDT
Extended Forecast for

3 Miles SE Port St. Lucie-River Park FL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 90. Heat index values as high as 102. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. Heat index values as high as 102. Light south southeast wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 70%.

    High: 90 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms, mainly after 2pm. High near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly before 8pm. Low around 74. Calm wind. Chance of precipitation is 80%.

    Low: 74 °F

    T-storms then
    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly sunny, with a high near 90. Heat index values as high as 102. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly between 4am and 5am. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Friday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. Heat index values as high as 102. Light south southeast wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms, mainly after 2pm. High near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.
Sunday Night
Showers and thunderstorms, mainly before 8pm. Low around 74. Calm wind. Chance of precipitation is 80%.
Labor Day
Showers and thunderstorms, mainly after 2pm. High near 90. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 90%.
Monday Night
Showers and thunderstorms. Low around 74. Calm wind. Chance of precipitation is 80%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Port St. Lucie-River Park FL
 27.29°N 80.31°W (Elev. 3 ft)
Last Update:
11:14 pm EDT Sep 2, 2026
Forecast Valid:
12am EDT Sep 3, 2026-6pm EDT Sep 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation